Home / 9,173.39-12,641.09-6,513.35

Finding the Fourth Proportional to 9,173.39, 12,641.09 and 6,513.35

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Solution

The fourth proportional to 9,173.39, 12,641.09 and 6,513.35 is: 8,975.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,173.39 : 12,641.09 = 6,513.35 : x
  2. Step 2: Convert to fraction form
    9,173.39/12,641.09 = 6,513.35/x
  3. Step 3: Cross multiply
    9,173.39x = 12,641.09 × 6,513.35
  4. Step 4: Simplify right side
    9,173.39x = 82,335,747.78
  5. Step 5: Solve for x
    x = 82,335,747.78/9,173.39
  6. Step 6: Final answer
    x = 8,975.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.